PDF File：Plate Slip On Flanges Dimensions According To Standard EN 1092-1 PN63. Plate-Slip-On-Flanges-Dimensions-Standard-EN-1092-1-PN63 PN63. DN Pipe OD, A Outside Diamete, D Diameter of Bolt Circle, K Dia of Bolt Hole, L No. of bolt Size of Bolt Flange thickness, C Diameter of Raised Face, d Height of Raised Face, f1 Bore diameter,B Series